Finding the Fourth Proportional to 5,626,662.50, 8,439,110.01 and 1,787,979.49
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Solution
The fourth proportional to 5,626,662.50, 8,439,110.01 and 1,787,979.49 is: 2,681,688.40
Step by Step Solution
- Step 1: Write the proportion equation
5,626,662.50 : 8,439,110.01 = 1,787,979.49 : x - Step 2: Convert to fraction form
5,626,662.50/8,439,110.01 = 1,787,979.49/x - Step 3: Cross multiply
5,626,662.50x = 8,439,110.01 × 1,787,979.49 - Step 4: Simplify right side
5,626,662.50x = 15,088,955,590,635.92 - Step 5: Solve for x
x = 15,088,955,590,635.92/5,626,662.50 - Step 6: Final answer
x = 2,681,688.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.